BlockFrom the record
One of 10 National Register listings published here for Sierra County · listed in 2012 · category: Structure.
Sources: the case file at the National Archives · the National Register database, National Park Service
Durgan Bridge
Listed on the National Register of Historic Places in 2012. 11 historic topographic surveys show this location, the earliest from 1891.
The listing
- What is counted as historic. The nomination lists 1 structure as contributing to the listing.
- Address. Nevada St., Downieville, 95936
- When was it listed? July 2012
- Category. structure
- Also known as. Highway Bridges of California MPS
- Census division. West Sierra
- National Register reference number. 12000398 - the number the National Park Service assigned this property when it was listed, and the key its nomination file is catalogued under at the National Archives.
Then and now
1891 to 2000The ground this property stands on, surveyed 109 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.
Fires near this property
52 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 52 fires within 5 miles of Durgan Bridge between 1992 and 2019, burning about 270 acres in total. 28 started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.
| Reported cause | Fires |
|---|---|
| Natural | 28 |
| Debris and open burning | 6 |
| Missing data/not specified/undetermined | 6 |
| Recreation and ceremony | 6 |
| Equipment and vehicle use | 3 |
| Power generation/transmission/distribution | 1 |
| Smoking | 1 |
| Other causes | 1 |
The most recent of them, most recent first, with the day each was reported and the service that recorded it.
| Date | Cause | Size | Reported by | Name on the report |
|---|---|---|---|---|
| 6 September 2017 | Natural | under an acre | Tahoe National Forest | SLATE |
| 6 September 2017 | Natural | under an acre | Tahoe National Forest | CHARLES |
| 25 September 2017 | Natural | under an acre | Tahoe National Forest | MAMMOTH |
| 24 September 2001 | Natural | 2.0 acres | Tahoe National Forest | FIR |
| 19 September 2019 | Natural | under an acre | Tahoe National Forest | MAMMOTH |
| 17 September 1996 | Natural | under an acre | Tahoe National Forest | GRIZZLY |
| 16 September 1996 | Natural | under an acre | Tahoe National Forest | YUBA |
| 14 September 2011 | Natural | under an acre | Tahoe National Forest | GALLOWAY |
Mines and quarries near this property
10 of 267 shownRegional context, not property-specific evidence. The federal mineral resources record lists 267 workings within 5 miles of Durgan Bridge: 118 past producers, 65 occurrences, 47 producers, 19 unknowns. 47 still produce. What was taken out: Gold, Silver, Chromium, Lead. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Comet Mine | Gold, Copper | Past Producer | Gold | |
| Gold Point | Gold, Silver, Copper, Lead, Zinc | Past Producer | Gold, Silver | |
| Gold Point | Gold, Lead, Silver | Past Producer | ||
| North Fork Mine | Gold, Lead | Past Producer | Galena, Gold, Pyrite | |
| Occurrence | Stone, Crushed/Broken | Occurrence | ||
| Oxford Mine | Chromium, Iron | Past Producer | 1918 | |
| Reported Occurrence | Antimony | Occurrence | ||
| Secret Canyon | Gold, Manganese | Past Producer | Gold | |
| W W Casserely | Asbestos | Prospect | ||
| Casserly | Chromium | Prospect |
Storms near this property
1 since 2021Regional context, not property-specific evidence. The National Weather Service names Downieville, the town this property stands in, in 1 storm report in 2021: 1 heavy rain. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.
| When | Event | Place named | Harm | What the report says |
|---|---|---|---|---|
| October 2021 | Heavy Rain | Downieville | - | Heavy rain was reported in Sierra County. Reported storm totals reached 6.88 inches near Saddleback to 11.28 inches in Downieville. |
Maps showing this location
11 surveysUnited States Geological Survey topographic sheets whose coverage includes this point. Matched by taking the coordinate the National Park Service records for this property, then testing that coordinate against the published boundary of every sheet.
- 1891 USGS Downieville quadrangle1:125000
- 1893 USGS Downieville quadrangle1:125000
- 1895 USGS Downieville quadrangle1:125000
- 1896 USGS Downieville quadrangle1:125000
- 1897 USGS Downieville quadrangle1:125000 - 7 printings
- 1951 USGS Downieville quadrangle1:62500 - 3 printings
- 1951 USGS Downieville quadrangle1:24000 - 6 printings
- 1958 USGS Chico quadrangle1:250000 - 4 printings
- 1960 USGS Chico quadrangle1:250000
- 1979 USGS Portola quadrangle1:100000 - 2 printings
- 2000 USGS Downieville quadrangle1:24000
Listed places nearby
5 within 8 milesOther National Register properties close enough to walk or drive between, ordered by distance from this one. Both positions come from the same geocoding pass that matched these properties to their map sheets.
| Photograph | Property | Distance | Listed |
|---|---|---|---|
 | Jersey Bridge | under 500 feet | 2012 |
 | Sierra County Sheriff's Gallows | 0.1 miles | 1990 |
 | Hansen Bridge | 0.3 miles | 2012 |
 | Hospital Bridge | 0.8 miles | 2012 |
| Forest City | 5.0 miles | 1996 |
Sources for this property
| National Archives record | The nomination case file for reference 12000398 in Record Group 79. |
| Sierra County | All 10 listed properties in this county. |
Provenance
- Listing record. National Park Service National Register of Historic Places, listed-properties dataset, current to 2026-05-22.
- Map join. Address geocoded through the United States Census geocoder, then tested against the published boundary of every sheet in the USGS Historical Topographic Map Collection.
- How this page is made. Listing fields come from federal records; map-sheet coverage is a labelled coordinate-to-boundary calculation, not a source-field claim.
- Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
- Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.
- Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.